/** 
author: LiXizhi
date: 2009.4.15
company:ParaEngine
desc: ParaEngine used to use D3DX math library. however, when porting to Linux, I need a cross platform GNU LGPL math library. 
The following one is chosen with some modifications so that they work well with other parts of ParaEngine. 
*/
/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2006 Torus Knot Software Ltd
Also see acknowledgements in Readme.html

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt.

You may alternatively use this source under the terms of a specific version of
the OGRE Unrestricted License provided you have obtained such a license from
Torus Knot Software Ltd.
-----------------------------------------------------------------------------
*/

#include "ParaEngine.h"
#include "ParaVector2.h"
#include "ParaMath.h"

namespace ParaEngine
{
    const Vector2 Vector2::ZERO( 0.f, 0.f);

    const Vector2 Vector2::UNIT_X( 1.f, 0.f);
    const Vector2 Vector2::UNIT_Y( 0.f, 1.f);
    const Vector2 Vector2::NEGATIVE_UNIT_X( -1.f,  0.f);
    const Vector2 Vector2::NEGATIVE_UNIT_Y(  0.f, -1.f);
    const Vector2 Vector2::UNIT_SCALE(1.f, 1.f);

}
